DATA SHEET RFX2401C: 2.4 GHz ZigBee /ISM Front-End Module Applications ZigBee extended range devices CTX CRX ZigBee smart power Logic Wireless sound and audio systems Control Home and industrial automation Wireless sensor networks PA Custom 2.4 GHz radio systems TXRX ANT Features LNA 2.4 GHz ZigBee high-power single-chip, single-die RF front-end IC 204359-001 Single-ended 50 input and output ports Figure 1. RFX2401C Block Diagram Integrated PA with up to +22 dBm output power Integrated LNA with 2.5 dB noise figure Description Transmit/receive switch circuitry The RFX2401C is a fully integrated front-end module that High transmit signal linearity meeting standards for OQPSK incorporates all the RF functionality needed for IEEE modulation 802.15.4/ZigBee, wireless sensor network, and any other wireless Low voltage (1.2 V) CMOS control logic systems in the 2.4 GHz ISM band. The RFX2401C architecture integrates the PA, LNA, transmit and receive switching circuitry, ESD protection circuitry on all ports and the associated matching network, all in a single package. DC decoupled RF ports Typical high-power applications include home and industrial Full on-chip matching and decoupling circuitry automation, smart power, and RF4CE among others. Combining Market proven CMOS technology superior performance, high sensitivity and efficiency, low noise, small form factor, and low cost, the RFX2401C is the perfect Small QFN, 16-pin (3 x 3 x 0.55 mm) package with exposed solution for applications requiring extended range and bandwidth. ground pad (MSL1, 260 C per JEDEC J-STD-020) RFX2401C has simple and low-voltage CMOS control logic, and a wide operating supply voltage range. Skyworks Green products are compliant with The device is provided in a compact, 16-pin 3 x 3 mm Quad Flat all applicable legislation and are halogen-free. No-Lead (QFN) package. A functional block diagram is shown in For additional information, refer to Skyworks Figure 1. The pin configuration and package are shown in Denition of Green, document number Figure 2. Signal pin assignments and functional pin descriptions SQ04-0074. are provided in Table 1. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 204359B Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice June 16, 2017 1 1 2 3 4 DATA SHEET RFX2401C: 2.4 GHz ZIGBEE/ISM FRONT-END MODULE DNC VDD N/C VDD 16 15 14 13 N/C 12 N/C GND GND 11 17 GND GND ANT 10 TXRX GND 9 5 6 7 8 204359-002 TXEN RXEN N/C GND Figure 2. RFX2401C Pinout (Top View) Table 1. RFX2401C Signal Descriptions Pin Name Description Pin Name Description 1 N/C Not connected internally 9 GND Ground 2 GND Ground 10 ANT Connect to 50 antenna (DC shorted to GND) 3 GND Ground 11 GND Ground 4 TXRX RF signal to/from the transceiver (DC shorted to GND) 12 N/C Not connected internally 5 TXEN CMOS input to control TX enable 13 DNC Do not connect 6 RXEN CMOS input to control RX enable 14 VDD Alternate supply pin, internally connected to pin 16 7 N/C Not connected internally 15 N/C Not connected internally 8 GND Ground 16 VDD Voltage supply connection Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 June 16, 2017 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 204359B